<!doctype html>
<html lang="en">

<head>
	<meta charset="UTF-8">
	<title>大图搜索</title>

</head>

<style>
	.large-image {
		width: 514px;
	}

	#zhangsan {
		width: 100px;
		height: 100px;
		border-radius: 50%;
	}
</style>

<body>
	<button tabindex="1">I am text 1</button>
	<button tabindex="4">I am text 2</button>
	<button tabindex="2">I am text 3</button>
	<button tabindex="5">I am text 4</button>
	<button tabindex="3">I am text 5</button>

	<h4 style="text-align:center">大图搜索</h4>

	<center>
		<img class='large-image' src="https://www.baidu.com/img/PCtm_d9c8750bed0b3c7d089fa7d55720d6cf.png" alt="百度图标">
		<form action="https://www.baidu.com/s">
			<img id='zhangsan' src="https://i1.hdslb.com/bfs/archive/6bc94234542197c6d55b7b0c28ec5817ffea0ad0.jpg"
				alt="">
			<input tabindex="-1" type="text" name="wd">
			<input type="submit" value="百度一下">

		</form>
	</center>
	<p>2 <sup>2</sup>=4</p>
	<p>水是H<sub>2</sub>O</p>

	<p>
	x&nbsp &nbsp &nbsp abc
	<br/>
	xyz  t
	</p>
	<br/>
	<p>
	<table border="1">
	<thead>
		<tr>
		<td>周1</td>
		<td>周2</td>
		<td>周3</td>
	</tr>
	</thead>
	<tbody>
		
	</tbody>
	</table>
	</p>
	<footer>

	</footer>
</body>

</html>